package com.ssm.modules.service;

import com.ssm.modules.entity.Grade;

import java.util.List;

/**
 * @email: dong980514280@gmail.com
 * @author: HGL
 * @date: 2018/12/26
 * @time: 8:49
 */

public interface IGradeService {
    List<Grade> selectAll();
    int addGrade(Grade grade);
    int updateGrade(Grade grade);
    int deleteGrade(int id);
}
